Home / 13,084.80-19,625.28-4,319.79

Finding the Fourth Proportional to 13,084.80, 19,625.28 and 4,319.79

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Solution

The fourth proportional to 13,084.80, 19,625.28 and 4,319.79 is: 6,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.80 : 19,625.28 = 4,319.79 : x
  2. Step 2: Convert to fraction form
    13,084.80/19,625.28 = 4,319.79/x
  3. Step 3: Cross multiply
    13,084.80x = 19,625.28 × 4,319.79
  4. Step 4: Simplify right side
    13,084.80x = 84,777,088.29
  5. Step 5: Solve for x
    x = 84,777,088.29/13,084.80
  6. Step 6: Final answer
    x = 6,479.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.